tldr/pages/common/ruby.md

# ruby

> Ruby programming language interpreter.

- Open an Interactive Ruby Shell (REPL):

`irb`

- Execute a Ruby script:

`ruby {{script.rb}}`

- Execute a single command in the command line:

`ruby -e {{command}}`

- Check if the given Ruby script is written correctly (Syntax check):

`ruby -c {{script.rb}}`

- Show the version of Ruby you are using:

`ruby -v`